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math.NA2026
Adjoint-Based Gradient Evaluation for Metasurface Inverse Design via Affine Geometric Transformations
Vincenzo Mottola, Luisa Faella, Carlo Forestiere +1
The sharp increasing in fabrication capabilities of nanomaterials, and complex structures such as meta-surfaces and metalens, has opened to the possibility of employing them for ac…
math.NA2026
QR-Recursive Compression of Volume Integral Equations for Electromagnetic Scattering by Large Metasurfaces
Vincenzo Mottola, Antonello Tamburrino, Luca Bergamaschi +5
In this paper, a novel QR decomposition-based compression scheme is combined with a volume integral equations method for the fast and efficient numerical computation of the scatter…